Answer: Yes. The diagonals of a rectangle are of equal length. The two diagonals of a rectangle are the hypotenuse of the two right angled... View Article
Answer: Prime numbers are numbers which do not have any factors other than 1 and the number itself. 61, 67, 71, 73, and 79 are the prime numbers... View Article
(i) x3 + x2 + x + 1 (ii) x4 + x3 + x2 + x + 1 (iii) x4 + 3x3 + 3x2 + x + 1 Solution: Use remainder theorem. Given factor is (x+1) So put x... View Article
Answer: A keyboard has 26 alphabet keys. Alphabet keys have letters on them. They are used to type words and sentences.You can write both... View Article
Answer: The product of a rational number and its reciprocal is 1. For example consider 2/5. Reciprocal of 2/5 is 5/2. (2/5) × (5/2) = 1... View Article
(a) Read - write Memory (b) Long Memory (c) Permanent Memory (d) None of the above Solution: RAM is also called read-write Memory. Hence... View Article
(a) tetrahedral (b) trigonal planar (c) trigonal pyramidal (d) linear Solution: In NH3, N is sp3 hybridised. N of NH3 has a lone pair of... View Article
Answer: When two parallel lines are intersected by a transversal, the angles formed in between them are called co-interior angles. The sum of... View Article
